[llvm-bugs] [Bug 32615] New: executable coredump under ubuntu 14.04 libgcc 4.8

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Mon Apr 10 22:59:02 PDT 2017


            Bug ID: 32615
           Summary: executable coredump under ubuntu 14.04 libgcc 4.8
           Product: lld
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: ELF
          Assignee: unassignedbugs at nondot.org
          Reporter: me at steazzalini.it
                CC: llvm-bugs at lists.llvm.org

Considering the following source code:

#include <iostream>
#include <cmath>

int main() {
  using namespace std;
  const auto p = pow(1, 2);
  cout << p;

Compiliing it with:
clang++-4.0 test.cpp -o test -std=c++1z -stdlib=libc++ -fuse-ld=lld -static
-lc++ -lc++abi -lpthread

Everything compiles without problems but executing test results in a coredump.
Using ld instead of lld  solves the problem.
Omitting -static -lc++ -lc++abi -lpthread also works fine. 

This is strictly related with ubuntu 14.04 using libgcc 4.8

// Stefano

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